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发明名称
UNION FOR SMOOTH ENDED TUBES
摘要
申请公布号
GB2029538(A)
申请公布日期
1980.03.19
申请号
GB19790027937
申请日期
1979.08.10
申请人
MARTELLI L;BOISSET M
发明人
分类号
F16L19/14;F16L47/04;(IPC1-7):F16L19/08
主分类号
F16L19/14
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